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Finding the Fourth Proportional to 146,247.50, 201,821.64 and 79,179.50

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Solution

The fourth proportional to 146,247.50, 201,821.64 and 79,179.50 is: 109,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,247.50 : 201,821.64 = 79,179.50 : x
  2. Step 2: Convert to fraction form
    146,247.50/201,821.64 = 79,179.50/x
  3. Step 3: Cross multiply
    146,247.50x = 201,821.64 × 79,179.50
  4. Step 4: Simplify right side
    146,247.50x = 15,980,136,544.38
  5. Step 5: Solve for x
    x = 15,980,136,544.38/146,247.50
  6. Step 6: Final answer
    x = 109,267.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.